28468288 has 14 divisors (see below), whose sum is σ = 56491886. Its totient is φ = 14234112.

The previous prime is 28468283. The next prime is 28468301. The reversal of 28468288 is 88286482.

It can be written as a sum of positive squares in only one way, i.e., 25482304 + 2985984 = 5048^2 + 1728^2 .

It is not an unprimeable number, because it can be changed into a prime (28468283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222345 + ... + 222472.

Almost surely, 2^28468288 is an apocalyptic number.

It is an amenable number.

28468288 is a deficient number, since it is larger than the sum of its proper divisors (28023598).

28468288 is an equidigital number, since it uses as much as digits as its factorization.

28468288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444829 (or 444819 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 28468288 is about 5335.5681984209. The cubic root of 28468288 is about 305.3424014562.

The spelling of 28468288 in words is "twenty-eight million, four hundred sixty-eight thousand, two hundred eighty-eight".